#2F3DA9#2F3DA9

#2F3DA9 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.1% C 0.172 H 271.1°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#2F3DA9
RGB	rgb(47, 61, 169)
HSL	hsl(233, 56%, 42%)
HSV	hsv(233, 72%, 66%)
CMYK	cmyk(72.2%, 63.9%, 0%, 33.7%)
CIE-LAB	lab(31.36, 31.91, -59.54)
CIE-LCH	lch(31.36, 67.55, 298.18°)
OKLab	oklab(42.1% 0.0034 -0.172)
OKLCH	oklch(42.1% 0.172 271.1)
XYZ	xyz(10.0000, 6.8054, 38.3150)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3DA9 #A99B2F

analogous

#2F7AA9 #2F3DA9 #5E2FA9

triadic

#2F3DA9 #A92F3D #3DA92F

tetradic

#2F3DA9 #A92F7A #A99B2F #2FA95E

square

#2F3DA9 #A92F7A #A99B2F #2FA95E

split-complementary

#2F3DA9 #A95E2F #7AA92F

monochromatic

#141A49 #222C79 #2F3DA9 #4958CC #7984DA

Accessibility & contrast

On white

8.89

#2F3DA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#2F3DA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3DA9

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3DA9	#FFFFFF	#000000	##FFFFFF
##2F3DA9	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AC

Deuteranopia (green-blind)

#0044A7

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f3da9;
/* rgb */ color: rgb(47, 61, 169);
/* oklch */ color: oklch(42.1% 0.172 271.1);

Tailwind

colors: {
  custom: {
    50: '#7972c4',
    500: '#2f3da9',
    950: '#000000',
  },
}

SCSS

$custom: #2f3da9;
$custom-light: #7972c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3da9",
  "rgb": {
    "r": 47,
    "g": 61,
    "b": 169
  },
  "hsl": {
    "h": 233.115,
    "s": 56.481,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42098,
    "c": 0.17203,
    "h": 271.1
  },
  "luminance": 0.06806
}

Semantic roles & 50–950 ramp

primary

#2F3DA9

secondary

#C2B972

accent

#CE48E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F3DA9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →